Content When2Travel enables you to find the nearest travel times for Tram Line 16 from S-Bahnhof Messe to Hauptbahnhof Leipzig during the Chaos Communication Congress 2017. When2Travel functions as a clock. At each refresh the current time is shown. When2Travel displays the Nick you have set for your badge. Note: if Refresh Time doesn't match actual time, please unplug and reconnect your battery.